/******************************************************************************

                              Online C++ Compiler.
               Code, Compile, Run and Debug C++ program online.
Write your code in this editor and press "Run" button to compile and execute it.

*******************************************************************************/

#include <iostream>

int main()
{   
    std::string s;
    
    std::cin>>s;
    std::cout<<"Wrong input";

    return 0;
}
